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Full text of "Handbook Of Chemical Engineering - I"

Oi 00
ABC LAMPS
Circuit	Type	Current	Amperes	Power factor	Volts	Watts	Mean lower hemisphere candle-power	Life per trim, hours
Series	Carbon          ......	Open direct current .........	16.6, 7.5, 9.6	( ....	50	330-480	395-690	18
		Enclosed direct current			75	500-720	479+	125
		Enclosed alternating current .		I 0.84	7?	425-535	232+ and 291 f	80-125
	Flaming carbon .......	Open direct current .........	]	( ....	55a or	660" and	1,890C and	17-20
		Enclosed alternating current .	| 6.6, 7.5, 9.6,	J0.75	110* 60	715+& 450<*	2,058+& l,595d	100-150
	Metallic or luminous	Open direct current	40 5.5 6.6		75	312-515	535-1,340	125-175
								
]Vlultiple	Carbon	Enclosed direct current	5.0, 6.5, 3e		110, 220	550, 715	379-559	100-150
		Enclosed alternating current	6.0, 7.5	0.65	110, 220	430, 540	371,395	100-125
	Flame carbon .........	Enclosed direct current .....	6.5		110	715	1,740	100-125
		Enclosed alternating current.	7.5	0.62	110	510	1,600	100-125
	Quartz-tube mercury		3 8-2 0		100—625	380—1 250	ği   000—3  ^JOfl	
				i				

1

"f6.6-amp. lamp.        f7.5-amp. lamp,
'for 220 volts only.
'Inclined carbons.        6 Vertical carbons.
; 12-amp.  lamp.     d 10-amp. lamp.